<template>
	<view class="my-settle-container">
		<label class="settle-radio">
			<radio color="#C00000" :checked="isFullChecked" @click="changeAllState" /><text>全选</text>
		</label>
		<view class="settle-amount">
			合计：<text class="amount">¥{{checkedGoodsAmount}}</text>
		</view>
		<view class="btn-settle" @click="settlement">
			结算({{checkedCount}})
		</view>
	</view>
</template>

<script>
	import {
		mapGetters,
		mapMutations,
		mapState
	} from 'vuex'
	export default {
		name: "my-settle",
		data() {
			return {
				seconds: 3,
				timer: null
			};
		},
		computed: {
			...mapGetters('m_cart', ['checkedCount', 'total', 'checkedGoodsAmount']),
			...mapGetters('m_user', ['addstr']),
			...mapState('m_user', ['token']),
			...mapState('m_cart',['cart']),
			isFullChecked() {
				return this.total === this.checkedCount
			}
		},
		methods: {
			...mapMutations('m_cart', ['changeGoodsState']),
			...mapMutations('m_user', ['updateRedirectInfo']),
			changeAllState() {
				this.changeGoodsState(!this.isFullChecked)
			},
			settlement() {
				if (!this.checkedCount) return uni.$showMsg('请选择要结算的商品！')

				if (!this.addstr) return uni.$showMsg('请选择收货地址！')

				if (!this.token) return this.delayNavigate()
				
				this.payOrder()
			},
			async payOrder(){
				// 1、创建订单
				// 1.1、构建请求参数
				const order ={
					// order_price: this.checkedGoodsAmount,
					order_price: 0.01,
					consignee_addr: this.addstr,
					goods: this.cart.filter(x=>x.goods_state).map(x=>({
						goods_id: x.goods_id,
						goods_number: x.goods_count,
						goods_price: x.goods_price
					}))
				}
				// 1.2、发起请求
				const {data:res} =await uni.$http.post('/api/public/v1/my/orders/create', order)
				if(res.meta.status !== 200) return uni.$showMsg('创建订单失败！')
				// 1.3、获取订单id
				const orderNumber = res.message.order_number
				// 2.生成预付订单
				const {data:res2} = await uni.$http.post('/api/public/v1/my/orders/req_unifiedorder',{order_number: orderNumber})
				if(res2.meta.status !== 200) return uni.$showMsg('生成预付订单失败！')
				const payInfo = res2.message.pay
				// 3、支付
				const [err, succ] = await uni.requestPayment(payInfo);
				if(err) return uni.$showMsg('订单未支付！')
				// 查询订单状态
				const {data:res3} = await uni.$http.post('/api/public/v1/my/orders/chkOrder',{order_number: orderNumber})
				if(res3.meta.status !== 200) return uni.$showMsg('订单未支付！')
				uni.showToast({
					title:'订单支付完成！',
					icon: 'success'
				})
			},
			delayNavigate() {
				this.seconds = 3
				this.showTips(this.seconds)
				this.timer = setInterval(() => {
					this.seconds--
					if (this.seconds <= 0) {
						// 清除定时器，避免出现超出范围的值
						clearInterval(this.timer)
						uni.switchTab({
							url: '/pages/my/my',
							success: () => {
								this.updateRedirectInfo({
									openType: 'switchTab',
									from: '/pages/cart/cart'
								})
							}
						})
						return
					}
					this.showTips(this.seconds)
				}, 1000)
			},
			showTips(n) {
				uni.showToast({
					icon: 'none',
					title: '请登录后结算！' + n + '秒后自动跳转到登录页。',
					mask: true,
					duration: 1500
				})
			}
		}
	}
</script>

<style lang="scss">
	.my-settle-container {
		position: fixed;
		bottom: 0;
		left: 0;
		width: 100%;
		height: 50px;
		background-color: white;
		display: flex;
		justify-content: space-between;
		align-items: center;
		font-size: 14px;
		padding-left: 5px;

		.settle-radio {
			display: flex;
			align-items: center;
		}

		.settle-amount {
			.amount {
				color: #c00000;
				font-weight: bold;
			}
		}

		.btn-settle {
			background-color: #c00000;
			line-height: 50px;
			color: white;
			padding: 0 10px;
			min-width: 100px;
			text-align: center;
		}
	}
</style>